Maybe its starts to rotten.. 
        
             
        
        
        
Answer:
by mimicking disease agents and stimulating the immune system to build up defenses against them.
Explanation:
 
        
                    
             
        
        
        
it means it is a recessive trait
Explanation:
 
        
             
        
        
        
Chicken nuggets in the buckets energy
        
             
        
        
        
Answer:
Mast Cells
Explanation:
Mast cells release histamine in the blood stream, when they detect a substance that triggers an allergic reaction, also called an allergen.